Search found 534 results

by BobFuck
30/10/13, 19:33
Forum : Hydraulic, wind, geothermal, marine energy, biogas ...
Subject : New batteries come in 2014: 800 Wh / kg
answers: 20
views: 15326

it's absurd ! where does this figure come from? If you buy LiIon cells individually, it is around 1 € / Wh, retail price. 8 € for a good 18650 "bar" which contains 8 Wh. We can assume that in quantity it will be much cheaper, maybe 3-4 € of the Wh ... I guess the journalist has ra ...
by BobFuck
30/10/13, 13:15
Forum : Company and Philosophy
Subject : Environmental tax on trucks ... absurdity?
answers: 135
views: 45534

> why is employment concentrated in big cities? Try to recruit an engineer, or a somewhat specialized technician, in the Creuse. > What is the reason for urban sprawl? Because a lot of people prefer to live in a house with a garden than in a building, and they have the ...
by BobFuck
30/10/13, 08:49
Forum : Company and Philosophy
Subject : Environmental tax on trucks ... absurdity?
answers: 135
views: 45534

I hardly agree with this, in reality there is no housing crisis, but a crisis in the distribution of housing / employment. People are not idiots. If housing was available and at its normal price (around 800 € / m2), then they would go and live close to work. But since the regulation of ...
by BobFuck
27/10/13, 14:38
Forum : Company and Philosophy
Subject : Environmental tax on trucks ... absurdity?
answers: 135
views: 45534

Finally people who are ready to do battle to stop being walked on. It's nice to see. Hope it lasts. to drip people from ecology? It's a shame that our ecologists are a bunch of hippies globalists strongly imbued with themselves and vaguely nostalgic for comm ...
by BobFuck
18/10/13, 10:53
Forum : Failure, troubleshooting and repair: repair yourself?
Subject : How to Repair a 12V battery charger?
answers: 92
views: 104036

Too bad the resolution of the images is too low to be able to read the references. Can you post the unresized images somewhere? It looks like the 2 heatsinks (big "U" in metal) are connected directly to the primary of the transformer. So, measure with a voltmeter, in & quo mode ...
by BobFuck
14/10/13, 17:32
Forum : Hydraulic, wind, geothermal, marine energy, biogas ...
Subject : Scams on the facade mini wind turbines
answers: 11
views: 9380

there is a legal problem: there is no law to punish this kind of crook with the current law selling something too expensive and unprofitable is completely legal! Above all, the Class Action (class action) is missing in this country ...> I'm talking about the ratio: sale to customer / price ex works Bah ...
by BobFuck
14/10/13, 17:14
Forum : Failure, troubleshooting and repair: repair yourself?
Subject : How to Repair a 12V battery charger?
answers: 92
views: 104036

we will start from the socket: First check if the transformer is providing current. Plug in the thing. High tech method: voltmeter (in AC mode) on the secondary, then in DC mode after the diodes. Low tech method: Are there any LEDs that light up? Does the transformer make a buzz?
by BobFuck
11/10/13, 18:46
Forum : Failure, troubleshooting and repair: repair yourself?
Subject : How to Repair a 12V battery charger?
answers: 92
views: 104036

Open the thing and post pictures (bonus if they are not blurred)
by BobFuck
11/10/13, 15:30
Forum : Heating, insulation, ventilation, VMC, cooling ...
Subject : Heating and Insulation of an old building
answers: 17
views: 10116

The veranda is south?

There is no insulation in the walls?
You can isolate from the outside?
by BobFuck
11/10/13, 15:26
Forum : The bistro: site life, leisure and relaxation, humor and conviviality and Classifieds
Subject : Here it is cold is already there!
answers: 7
views: 7627

Let me summarize for you (according to Oliva's book), in our climates: - A window (even overpriced) insulates much less well than a properly insulated wall. When the shutters are closed it's better, but still not at the level of a good wall. - But a window to the south (even cheap double glazing so much ...

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